Mrs. Marie Aline D’Aoust of Ottawa, Ontario, was the 1949 National Memorial (Silver) Cross Mother. During the national Remembrance Day ceremony in Ottawa on November 11, 1949, she laid a wreath at the base of the National War Memorial on behalf of all mothers who have lost a child in military service to Canada.

On August 14, 1944, her son, Lieutenant Gerard Raoul D’Aoust, was killed during the fighting between Caen and Falaise while serving with the Le Régiment de Maisonneuve.